Advances in vibrated gas-fluidized beds

Q Guo, C Spitler, JM Sanghishetty, CM Boyce - Current Opinion in Chemical …, 2023 - Elsevier
As one of the most successful modifications to conventional fluidized beds to intensify their
operations, vibrated gas-fluidized beds (VGFBs) have been used extensively in industry …

Towards accurate modeling of vibration in CFD-DEM simulations of vibrated gas-fluidized beds without using a moving mesh

Q Guo, J Tian, R Huang, CM Boyce - Chemical Engineering Science, 2024 - Elsevier
Vibrated gas-fluidized beds are widely used industrially, and two main methods exist to
simulate them computationally:(i) in a moving reference frame by oscillating gravity and (ii) …

Faraday wave instability analog in vibrated gas-fluidized granular particles

Q Guo, W Da, R Wu, Y Zhang, J Wei, CM Boyce - Physical Review E, 2023 - APS
Granular materials are critical to many natural and industrial processes, yet the chaotic flow
behavior makes granular dynamics difficult to understand, model, and control, causing …

Origin of multiple convection patterns in vibrofluidized granular system

M Jiang, P Wu, B Chen, J Gao, L Wang, C Dong… - International Journal of …, 2023 - Elsevier
Granular system under vertical vibration exhibits a range of convection patterns. A universal
and convincing explanation of multiple convection patterns is still lacking, which hinders the …

Faraday waves in gas-fluidized beds subject to combined vertical and horizontal vibration

J Omidi, OJ Punch, Q Guo, CM Boyce - Powder Technology, 2024 - Elsevier
The dynamics of Faraday waves in a gas-fluidized bed vibrated in both the vertical and
horizontal directions simultaneously were investigated using two-fluid model (TFM) …

Structured bubbling in vibrated gas-fluidized beds of binary granular particles: experiments and simulations

JM Sanghishetty, NM Russ, C Spitler, Q Guo… - Soft Matter, 2024 - pubs.rsc.org
Mixing and segregation of granular particles on the basis of size and density from vertical
vibration or upward gas flow is critical to a wide range of industrial, agricultural and natural …

Anomalous descent of intruders in vibrated gas-fluidized granular materials

OJ Punch, Q Guo, M Gueye, J Omidi, MW Jordan… - Physical Review E, 2025 - APS
The descent of dense intruder disks through granular material fluidized by vertical gas flow
and vibration is investigated experimentally and computationally. Single intruders descend …

Granular Flow and Rheology Under Shear, Vibration and Gas Flow

JM Sanghishetty - 2024 - search.proquest.com
Granular flows are ubiquitous both in natural and industrial processes such as
pharmaceuticals production, mining and food–processing. Within a gas-solid fluidized bed …

Resonance, symmetry, and bifurcation of periodic orbits in perturbed Rayleigh–Bénard convection

M Watanabe, H Yoshimura - Nonlinearity, 2023 - iopscience.iop.org
This paper investigates the global structures of periodic orbits that appear in Rayleigh–
Bénard convection, which is modelled by a two-dimensional perturbed Hamiltonian model …